diff -r 9076eb40454d -r 87e3a5dc66dd ui/qt/toolbar.h
--- a/ui/qt/toolbar.h	Mon Aug 25 17:27:29 2014 +0200
+++ b/ui/qt/toolbar.h	Thu Aug 28 16:34:09 2014 +0200
@@ -39,7 +39,7 @@
     virtual void addTo(UiObject *obj, QToolBar *toolbar) = 0;
 };
 
-class UiToolItem {
+class UiToolItem : public UiToolItemI {
 public:
     char *label;
     char *image;
@@ -53,7 +53,7 @@
     virtual void addTo(UiObject *obj, QToolBar *toolbar);
 };
 
-class UiStockToolItem {
+class UiStockToolItem : public UiToolItemI {
 public:
     char *stockid;
     ui_callback callback;